#Microsoft-YaHei {
    /* font-family: '微软雅黑'; */
    font-family: 'Microsoft YaHei';
    font-size: 20px;
    font-weight: bold;
    font-style: italic;
    /* color: red;
    color: rgb(255,100,100); */
    color: #ff5656;
    text-align: start;
}

#song-ti {
    font-family: '宋体';
    font-size: 10px;
    font-weight: bold;
    font-style: normal;
    color: red;
    text-align: end;
}

a {
    color: black;
    /* 文本装饰为空，即只展示文本内容，可以给a标签去下划线 */
    text-decoration: none;
}

#p {
    text-indent: 2em;
}

#word-p {
    background-image: url();
    background-color: aqua;
    line-height: 50px;
}

body {
    background-image: url(https://haowallpaper.com/link/common/file/previewFileImg/16773548007017856);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    background-color: bisque;
}

#div {
    width: 200px;
    height: 100px;
    border: 2px solid green;
    border-radius: 10px;
    box-sizing: border-box;
}